$_nowclass=$empire->fetch1("select * from {$dbtbpre}enewsclass where classid='$r[classid]'");
$listtemp='
';
Java面向对象中组合优于继承是什么意思_组合设计思想在Java中的应用解析
“组合优于继承”指多数场景应优先用“ha
“组合优于继承”指多数场景应优先用“ha
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